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        詞形變換解題指導(dǎo)

        2021-01-19 18:35:29高潔
        瘋狂英語·初中版 2021年10期
        關(guān)鍵詞:比較級詞類輔音

        高潔

        出題方向

        1.出題量最大,也是最難把握的方向——同詞根不同詞類之間的相互轉(zhuǎn)換??嫉南嗷マD(zhuǎn)換詞類有四種:名詞、動詞、形容詞、副詞

        動詞、形容詞→名詞

        名詞→動詞、形容詞

        動詞→形容詞

        形容詞→動詞

        形容詞→副詞

        副詞→形容詞

        做這樣的轉(zhuǎn)換需要我們平時大量的積累,建立詞根詞綴的概念,多掌握常用的詞綴,靈活變通。

        2.最基本題型,必考方向——名詞、代詞、數(shù)詞

        名詞考查方向:復(fù)數(shù)。

        代詞考查方向:①賓格;②形容詞性、名詞性物主代詞轉(zhuǎn)換;③反身代詞可能出現(xiàn)。

        數(shù)詞考查方向:①基數(shù)詞、序數(shù)詞的拼寫與互換;②分?jǐn)?shù)可能出現(xiàn)。

        3.簡單題型,多練即可把握——比較級最高級

        需要掌握:①比較級和最高級的變化方式;②比較級和最高級的辨識關(guān)鍵詞。

        4.較難題型,多次轉(zhuǎn)換,反義理解

        有時候詞類之間需要越級變換,要仔細(xì)斟酌詞類間的修飾關(guān)系,確保答案的正確性。較難題目不僅會越級變換,還需要添加反義,這需要更耐心細(xì)致地解題,分析題意。

        解題技巧

        1.形容詞修飾名詞、代詞性成分,部分名詞也可以修飾名詞。

        2.動詞、形容詞、副詞需要副詞修飾,副詞也可以修飾整句話。

        3.系動詞后一般使用形容詞,系動詞后尤其需注意添加形容詞,這點(diǎn)易和實(shí)義動詞用副詞修飾混淆。

        4.扎實(shí)掌握名詞、代詞、數(shù)詞的基本知識。

        5.注做完需要通讀一下,檢查反義及動詞的時態(tài)語態(tài)問題。

        考點(diǎn)解析

        考向一:可數(shù)名詞單數(shù)變復(fù)數(shù)類

        1.規(guī)則變化

        (1)一般情況加-s,如:girls,books,pens,bags,boys,days,等等。

        (2)以s,x,ch,sh結(jié)尾加-es,如:buses,boxes,watches,brushes,等等。

        (3)以o結(jié)尾的名詞,無生命的名詞多加-s,有生命的名詞多加-es。

        (4)以輔音字母加y結(jié)尾的名詞,變y為i加-es,如:city→cities,story→stories,等等。

        (5)以f或fe結(jié)尾的名詞變f或fe為v加-es。如:leaf→leaves,knife→knives,

        shelf→shelves,等等。(roof→roofs)

        2.不規(guī)則變化的名詞要熟記

        child→children

        deer→deer

        man→men

        woman→women

        tooth→teeth

        foot→feet

        mouse→mice

        Japanese→Japanese

        Chinese→Chinese

        people→people

        sheep→sheep

        考向二:名詞變形容詞類

        1.在動詞或名詞后加后綴-ful,如:

        forget→forgetful

        thank→thankful

        care→→careful

        use→useful

        help→helpful

        beauty→beautiful

        wonder→wonderful

        meaning→meaningful

        2.在名詞后加-y,如:

        cloud→cloudy

        luck→lucky

        wind→windy

        noise→noisy

        surhe?sunny

        rain→rainy

        health→healthy

        snow→snowy

        3.在名詞后加-ly,如:

        love→lovely

        friend→friendly

        week→weekly

        day→daily

        4.方位名詞加-ern,如:

        north→northern

        east→eastern

        west→western

        south→southern

        5.在名詞后加-less,變成否定含義的形容詞。如:

        hope→hopeless

        use→useless

        care→careless

        考向三:形容詞加后綴變成名詞

        1.形容詞加-ness變成名詞,如:

        ill→illness

        happy→happiness

        weak—weakness

        careless→carelessness

        kind→kindness

        good→goodness

        2.形容詞加-ty變成名詞,如:

        safe→safety

        certain→certainty

        3.形容詞加-th變成名詞,如:

        true→truth

        warm→warmth

        young→youth

        4.形容詞加-ence/ance變成名詞,如:

        dependent→dependence

        different–difference

        important→importance

        考向四:形容詞變副詞類

        形容詞修飾名詞、代詞等作定語或表語,副詞修飾動詞、形容詞或副詞作狀語。

        1.一般形容詞詞尾加-ly變成副詞,如:

        slow→slowly

        clear→clearly

        quick→quickly

        real→really

        careful→carefully

        hopeful→hopefully

        quiet→quietly

        sudden→suddenly

        2.以“輔音字母+y”結(jié)尾的,要變y為i加-ly,如:

        easy→easily

        happy→happily

        heavy→heavily

        lucky→luckily

        busy→busily

        angry→angrily

        3.以元音字母加輔音字母+e結(jié)尾的重讀開音節(jié),直接加-ly,如:

        safe→safely

        polite→politely

        wide→widely

        4.以元音字母+e結(jié)尾,去e加-ly,如:

        true→truly

        5.以輔音字母加-le結(jié)尾,去e加-y,如:

        terrible→terribly

        possible→possibly

        6.形容詞與副詞異形,如:good→well等。

        7.形容詞與副詞同形,如:

        fast→fast

        early→early

        high→high

        hard→hard

        注意:hard作形容詞時意思是“困難的;硬的;生硬的”等,作副詞時意思是“努

        力地”。hardly是否定副詞,意思是“幾乎不”。

        既是形容詞又是副詞的單詞如下:

        考向五:動詞變名詞類

        1.動詞加-er變成名詞,如:

        1.動詞加-er變成名詞,如:

        farm→farmer

        teach→teacher

        work→worker

        speak→speaker

        sing→singer

        play→player

        read→reader

        drive→driver

        write→writer

        ride→rider

        dance→dancer

        run→runner

        win→winner

        cook→cooker

        wash→washer

        2.動詞加-or變成名詞,如:

        invent→inventor

        visit→visitor

        operate→operator

        conduct→conductor

        edit→editor

        act→actor

        3.動詞加-tion變成名詞,如:

        invent→invention

        iberate→liberation

        operate→operation

        考向六:基數(shù)詞變序數(shù)詞類

        主要掌握好1~12和20、30、40、50、60、70、80、90及21、22、23這幾個序數(shù)詞的形式:

        one→first

        twenty→twentieth

        two→second

        thirty→thirtieth

        forth→fortieth

        three→third

        four→fourth

        fifty→fiftieth

        five→fifih

        sixty→sixtieth

        six→sixth

        seventy→seventieth

        seven→seventh

        eighty→eightieth

        ninety→ninetieth

        eight→eighth

        twenty-one→twenty-first

        nine-ninth

        twenty-two→twenty-second

        ten→tenth

        eleven→eleventh

        twenty-three→twenty-third

        twelve→twelfth

        考向七:形容詞與副詞的原級、比較級和最高級類

        1.形容詞和副詞的比較級、最高級構(gòu)成

        (1)單音節(jié)詞與部分雙音節(jié)詞規(guī)則變變化。

        ①一般詞尾加er,est;如:fast,faster,fastest,等等。

        ②以輔音字母加y結(jié)尾變y為i加-er,-est;如:easy,easier,easiest,等等。

        ③以一個元音加一個輔音字母結(jié)尾的重讀閉音節(jié),雙寫這個輔音字母再加-er,-est:

        如:hot hotter hottest,等等。

        ④以e結(jié)尾加-r,-st;如:fine→finer,nice→nicer,等等。

        (2)部分雙音節(jié)詞或以形容詞加-ly變成的副詞和多音節(jié)詞,在其前加more,most變

        成比較級和最高級。如:

        interesting→more interesting, most interesting

        beautiful→more beautiful, most beautiful

        slowly→more slowly, most slowly

        quickly→more quickly, most quickly

        (3)不規(guī)則變化。

        good→better→best

        well→better→best

        much→more→most

        many→more→most

        far→farther/further→farthest/furthest

        little→less→least

        ill→worse→worst

        bad/badly→worse→worst

        old→older/older→oldest/eldest

        2.原級:as+形容詞或副詞的原形+as

        “和……一樣……”

        “和……不一樣……”

        not as/so+形容詞或副詞的原形+as

        考向八:人稱代詞變化類

        要熟練掌握和運(yùn)用主格、賓格、形容詞性物主代詞及名詞性物主代詞。

        考向九:常見的反義詞

        1.動詞

        buy—sell

        take—bring

        remember—forget

        die — live

        love — hate

        rise — fall

        start—finish

        miss—catch

        ask — answer

        pull—push

        lend—borrow

        go — come

        2.形容詞

        short—tall / long

        little—much

        right—left / wrong

        free—busy

        full—empty

        few—many

        white — black

        good — bad

        careful — careless

        dead — living

        cheap—expensive

        clean—dirty

        same—different

        easy—difficult

        wet—dry

        open— closed

        strong —weak

        light—heavy

        練習(xí)

        1. Would you mind making a little less ________? They are having a meeting atthe moment. (noisy)

        2. The Smiths live on the________floor of the building. (nine)

        3. All the great________are respected by the world. (invent)

        4.Mypetisa________cat. She is very lovely. (male)

        5. I'll do my homework more________next time. (care)

        6. When you study a foreign language, it's important to make a good________.(begin)

        7. Everyone knows such kind of books is________to children. They shouldn't besold at any bookstore. (harm)

        8. In the past punishment was decided by the university. The student had no________but to accept it. (choose)

        9. Our teacher told us the________story I had ever heard at yesterday's classmeeting. (sad)

        10. The________Lesson is very difficult but very important. You must learn it byheart.(twelve)

        11. They looked very________in the idea. (interest)

        12. After they got on the bus, they found two________.(sit)

        13. Help________to the fish, everyone. (you)

        14. What we have had is just part of the truth. We should try to ge________information about it. (far)

        15. A________sight stopped them from going forward. (frighten)

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